101111220030 has 32 divisors (see below), whose sum is σ = 242679341088. Its totient is φ = 26961612800.

The previous prime is 101111220013. The next prime is 101111220031. The reversal of 101111220030 is 30022111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111219988 and 101111220015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111220031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599470 + ... + 749390.

It is an arithmetic number, because the mean of its divisors is an integer number (7583729409).

Almost surely, 2^101111220030 is an apocalyptic number.

101111220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111220030 is an abundant number, since it is smaller than the sum of its proper divisors (141568121058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101111220030 is a wasteful number, since it uses less digits than its factorization.

101111220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172412.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101111220030 its reverse (30022111101), we get a palindrome (131133331131).

The spelling of 101111220030 in words is "one hundred one billion, one hundred eleven million, two hundred twenty thousand, thirty".